ASN database

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DNS lookup / nslookup / DIG of DNS records. An online tool for DNS lookups. By default recursive lookups querying the authoritative name servers. Lookups on specific DNS resolvers are also possible. Additionally, it will look up secondary records and output a full log of what was done on a technical level.

WHOIS / RDAP lookup

IP to CIDR calculation tool with subnet info. The reverse, CIDR ranges to IP addresses, is also possible. Last but not least, it includes a tool for refactoring groups of IPs, domain names, and/or other CIDR ranges.

What is my IPv4 and IPv6?

Check your own IP - both IPv4 and IPv6. Works as a connectivity test as well.

GeoIP location

216.30.0.0

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Result

216.30.0.0/17

Prefix:

216.30.0.0/17 (32.768 IP's - view in CIDR to IP tool)

Description:

Verizon Business

Country:

United States

Announced by:

Verizon Business
https://www.verizon.net

AS2828, 167 peers, 100 announced prefixes

See all details on AS2828 - Verizon Business »

Matching prefixes

Country

ASN

Announced prefix

Description

Size

United States

AS2828

216.30.0.0/17

Verizon Business

32.768

United States

AS394824

216.30.24.0/21

Christian Brothers University

2.048

United States

AS36669

216.30.32.0/24

AMERICAN ESOTERIC LABORATORIES

256

Log

000	+000	Parse input (Prefix)
000	+000	Search database for '216.30.0.0/17'
011	+010	3 prefixes found
011	+000	Done

ASN database

Related tools

Result

216.30.0.0/17

Matching prefixes

Log

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